1212441123 has 8 divisors (see below), whose sum is σ = 1660279888. Its totient is φ = 786448224.

The previous prime is 1212441079. The next prime is 1212441137. The reversal of 1212441123 is 3211442121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1212441123 - 2¹³ = 1212432931 is a prime.

It is a super-2 number, since 2×1212441123² = 2940026953483002258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1212441123.

It is not an unprimeable number, because it can be changed into a prime (1212441143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5461336 + ... + 5461557.

It is an arithmetic number, because the mean of its divisors is an integer number (207534986).

Almost surely, 2^1212441123 is an apocalyptic number.

1212441123 is a deficient number, since it is larger than the sum of its proper divisors (447838765).

1212441123 is a wasteful number, since it uses less digits than its factorization.

1212441123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10922933.

The product of its digits is 384, while the sum is 21.

The square root of 1212441123 is about 34820.1252582468. The cubic root of 1212441123 is about 1066.3183576407.

Adding to 1212441123 its reverse (3211442121), we get a palindrome (4423883244).

The spelling of 1212441123 in words is "one billion, two hundred twelve million, four hundred forty-one thousand, one hundred twenty-three".